'\" te
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.TH LDI_REMOVE_EVENT_HANDLER 9F "April 9, 2016"
.SH NAME
ldi_remove_event_handler \- remove an NDI event service callback
.SH SYNOPSIS
.LP
.nf
#include <sys/ddi_obsolete.h>

\fBint\fR \fBldi_remove_event_handler\fR(\fBldi_handle_t\fR \fIlh\fR,
     \fIldi_callback_id_t id\fR);
.fi

.SH INTERFACE LEVEL
.LP
Obsolete
.SH PARAMETERS
.ne 2
.na
\fB\fIldi_handle_t lh\fR\fR
.ad
.RS 24n
Layered handle representing the device for which the event notification is
requested.
.RE

.sp
.ne 2
.na
\fB\fIldi_callback_id_t id\fR\fR
.ad
.RS 24n
Unique system-wide registration ID returned by \fBldi_add_event_handler\fR(9F)
upon successful registration.
.RE

.SH DESCRIPTION
.LP
This function is obsolete and is only maintained for compatibility. Use of this
function is strongly discouraged. For equivalent functionality provided by new
interfaces, see \fBldi_ev_register_callbacks\fR(9F) and
\fBldi_ev_remove_callbacks\fR(9F).
.sp
.LP
The \fBldi_remove_event_handler()\fR function removes the callback handler
specified by the registration ID (\fIldi_callback_id_t\fR). Upon successful
removal, the callback handler is removed from the system and is not invoked at
the event occurrence.
.SH RETURN VALUES
.ne 2
.na
\fB\fBDDI_SUCCESS\fR\fR
.ad
.RS 15n
Callback handler removed successfully.
.RE

.sp
.ne 2
.na
\fB\fBDDI_FAILURE\fR\fR
.ad
.RS 15n
Failed to remove callback handler.
.RE

.SH CONTEXT
.LP
This function can be called from user and kernel contexts only.
.SH SEE ALSO
.LP
.BR ldi_add_event_handler (9F),
.BR ldi_ev_register_callbacks (9F),
.BR ldi_ev_remove_callbacks (9F),
.BR ldi_get_eventcookie (9F)
.sp
.LP
\fIWriting Device Drivers\fR
